Denial of Service Vulnerability in Huawei Office Service
CVE-2025-66334

3.3LOW

Key Information:

Vendor

Huawei
Status
Harmonyos
Vendor
CVE Published:
8 December 2025

What is CVE-2025-66334?

This vulnerability in Huawei's Office Service can lead to a denial of service, impacting the availability of the service. When exploited, it may allow an attacker to disrupt normal operations, rendering the service unusable for legitimate users, which can significantly hinder organizational productivity and operational continuity.

Affected Version(s)

HarmonyOS 5.1.0

HarmonyOS 5.0.1

HarmonyOS 6.0.0

References

https://consumer.huawei.com/en/support/bulletin/2025/12/

CVSS V3.1

Score:
3.3
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-66334 : Denial of Service Vulnerability in Huawei Office Service